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Stability analysis in non-integer order systems is a complex issue and requires detailed analysis. This paper aims to show the stability region for fourth order system with noninteger PDÄ controller. Such system was analysed with use of Ddecomposition method. Moreover, we presented stability analysis for implementation in optimization procedure based on system in of form of fractional differential...
In this paper a special case of non-integer filters — namely bi-fractional filters (BFF) — are considered. Those filters are characterised by three parameters and offer rich possibilities of frequency response shaping. This paper is a continuation of an earlier research and focuses on stable filters with eigenvalues in right complex half plane. Conditions on stability of such filters are presented,...
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